bg4cd: define custom romstage entry
this change defines a custom romstage entry for bg4cd. the entry code
stalls subcores, sets up the stack, and clears the bss before jumping to main.
BUG=none
BRANCH=tot
TEST=built all current boards. booted cosmos p1
Change-Id: Idde43f94555bec7804a16928c58ce673956a39e5
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 7a35e12eb29b351cc0baaea24344f00d2ba905f6
Original-Change-Id: I9172e873a43847f3ea82cd1d9fd0841f0db83994
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/238022
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9722
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/soc/marvell/bg4cd/Makefile.inc b/src/soc/marvell/bg4cd/Makefile.inc
index 18f9d8d..4cbca00 100644
--- a/src/soc/marvell/bg4cd/Makefile.inc
+++ b/src/soc/marvell/bg4cd/Makefile.inc
@@ -26,6 +26,7 @@
verstage-y += monotonic_timer.c
verstage-$(CONFIG_SPI_FLASH) += spi.c
+romstage-y += romstage.S
romstage-y += cbmem.c
romstage-y += i2c.c
romstage-y += monotonic_timer.c